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2 December 2022 Influence of temporal modulations with non-linear propagation on laser-induced damage of fused silica
Charles Bouyer, Martin Cormier, Jean-François Gleyze, Sylvain Grosjean, Nadja Roquin, Laurent Lamaingère, Jean-Yves Natoli
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Proceedings Volume PC12300, Laser-Induced Damage in Optical Materials 2022; PC1230003 (2022) https://doi.org/10.1117/12.2642239
Event: SPIE Laser Damage, 2022, Rochester, New York, United States
Abstract
The MELBA testbed located at CEA CESTA (France) is a nanosecond UV centimeter-sized beam aiming at studying laser damage. Previous work carried out on MELBA showed a dependency of laser-induced damage to power modulation of the laser pulse in linear propagation regime. We extended this study to the non-linear propagation regime. Thanks to dedicated imaging setup, we carried out an experimental study of Bespalov-Talanov gain and laser-induced damage with different temporal modulations. The tuning of phase modulation parameters made it possible to annihilate backward stimulated Brillouin scattering and consequently focus on the impact of the Kerr effect.
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Charles Bouyer, Martin Cormier, Jean-François Gleyze, Sylvain Grosjean, Nadja Roquin, Laurent Lamaingère, and Jean-Yves Natoli "Influence of temporal modulations with non-linear propagation on laser-induced damage of fused silica", Proc. SPIE PC12300, Laser-Induced Damage in Optical Materials 2022, PC1230003 (2 December 2022); https://doi.org/10.1117/12.2642239
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KEYWORDS
Modulation
Laser induced damage
Silica
Pulsed laser operation
Laser scattering
Light emitting diodes
Kerr effect
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